<template>
  <view class="con">
    <!-- 登录 -->
    <view class="login-form">
      <view :class="['item',errorTips==1? 'error':'']">
        <view class="account">
          <text class="input-item">
            账号
          </text>
          <input type="text" data-type="account" placeholder-class="inp-palcehoder" placeholder="请输入用户名"
            @input="getInputVal">
        </view>
        <view v-if="errorTips==1" class="error-text">
          <text class="warning-icon">
            !
          </text>
          请输入账号！
        </view>
      </view>
      <view :class="['item',errorTips==2? 'error':'']">
        <view class="account">
          <text class="input-item">
            密码
          </text>
          <input type="password" data-type="password" placeholder-class="inp-palcehoder" placeholder="请输入密码"
            @input="getInputVal">
        </view>
        <view v-if="errorTips==2" class="error-text">
          <text class="warning-icon">
            !
          </text>
          请输入密码！
        </view>
      </view>
      <view class="operate">
        <view class="to-register" @tap="toRegitser">
          还没有账号？
          <text>去注册></text>
        </view>
      </view>
    </view>

    <view>
      <button class="authorized-btn" @tap="login">
        登录
      </button>
      <button class="to-idx-btn" @tap="toIndex">
        回到首页
      </button>
    </view>
  </view>
</template>

<script setup>
  import {
    encrypt
  } from '@/utils/crypto.js'

  /**
   * 生命周期函数--监听页面显示
   */
  onShow(() => {})

  const principal = ref('') // 账号
  const errorTips = ref(0) // 错误提示
  watch(
    () => principal.value,
    () => {
      errorTips.value = 0
    }
  )

  const credentials = ref('') // 密码
  /**
   * 输入框的值
   */
  const getInputVal = (e) => {
    const type = e.currentTarget.dataset.type
    if (type == 'account') {
      principal.value = e.detail.value
    } else if (type == 'password') {
      credentials.value = e.detail.value
    }
  }

  /**
   * 登录
   */
  const login = () => {
    if (principal.value.length == 0) {
      errorTips.value = 1
    } else if (credentials.value.length == 0) {
      errorTips.value = 2
    } else {
      errorTips.value = 0
      let param = {
        userName: principal.value,
        passWord: encrypt(credentials.value)
      }
      http.post('/login', param).then(({
        data
      }) => {
        http.loginSuccess(data, () => {
          uni.showToast({
            title: '登录成功',
            icon: 'none',
            complete: () => {
              setTimeout(() => {
                wx.switchTab({
                  url: '/pages/index/index'
                })
              }, 1000)
            }
          })
        })
      })
    }
  }

  /**
   * 去注册
   */
  const toRegitser = () => {
    uni.navigateTo({
      url: '/pages/register/register'
    })
  }

  /**
   * 回到首页
   */
  const toIndex = () => {
    wx.switchTab({
      url: '/pages/index/index'
    })
  }
</script>

<style scoped lang="scss">
  @import "./accountLogin.scss";
</style>
